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Finding the Fourth Proportional to 61,205,234.55, 85,800,702.45 and 61,205,234.55

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Solution

The fourth proportional to 61,205,234.55, 85,800,702.45 and 61,205,234.55 is: 85,800,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,205,234.55 : 85,800,702.45 = 61,205,234.55 : x
  2. Step 2: Convert to fraction form
    61,205,234.55/85,800,702.45 = 61,205,234.55/x
  3. Step 3: Cross multiply
    61,205,234.55x = 85,800,702.45 × 61,205,234.55
  4. Step 4: Simplify right side
    61,205,234.55x = 5,251,452,118,007,010
  5. Step 5: Solve for x
    x = 5,251,452,118,007,010/61,205,234.55
  6. Step 6: Final answer
    x = 85,800,702.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.